When users click the Sign Out button they will be logged out and
then sent to signout_page. If signout_page is left empty,
(hit space and then return) they will be taken, as normal,
to the default and rather sparse SquirrelMail signout page.

Each IMAP server has its own quirks. As much as we tried to stick
to standards, it doesn't help much if the IMAP server doesn't follow
the same principles. We have made some work-arounds for some of
these servers. If you would like to use them, please select your
IMAP server. If you do not wish to use these work-arounds, you can
set this to "other", and none will be used.
bincimap

What authentication mechanism do you want to use for SMTP connections?
none - Your SMTP server does not require authorization.
login - Plaintext. If you can do better, you probably should.
cram-md5 - Slightly better than plaintext.
digest-md5 - Privacy protection - better than cram-md5.

*** YOUR SMTP SERVER MUST SUPPORT THE MECHANISM YOU CHOOSE HERE ***
If you don't understand or are unsure, you probably want "none"

none, login, cram-md5, or digest-md5 [none]:

login

# select login

SMTP authentication uses IMAP username and password by default.

Would you like to use other login and password for all SquirrelMail
SMTP connections? [y/N]: